Selective recognition of a C-G base-pair in the parallel DNA triple-helical binding motif

被引:54
作者
Prévot-Halter, I [1 ]
Leumann, CJ [1 ]
机构
[1] Univ Bern, Dept Chem & Biochem, CH-3012 Bern, Switzerland
关键词
D O I
10.1016/S0960-894X(99)00451-5
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Selective recognition of a C-G base-pair within the parallel DNA triple-helical binding motif was achieved by a third strand containing the base 5-methyl pyrimidin-2-one. The third strand affinities (K-D) for a representative 15-mer duplex sequence containing all four Watson-Crick base pairs (X-Y) in the center are C-G (26 nM) >> A-T (270 nM) similar to T-A (350 nM) > G-C (ca. 700 nM). (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2657 / 2660
页数:4
相关论文
共 18 条
[11]   Triplex formation by oligonucleotides containing novel deoxycytidine derivatives [J].
Huang, CY ;
Bi, GX ;
Miller, PS .
NUCLEIC ACIDS RESEARCH, 1996, 24 (13) :2606-2613
[12]   Triple-helix formation by pyrimidine oligonucleotides containing nonnatural nucleosides with extended aromatic nucleobases: Intercalation from the major groove as a method for recognizing C center dot G and T center dot A base pairs [J].
Lehmann, TE ;
Greenberg, WA ;
Liberles, DA ;
Wada, CK ;
Dervan, PB .
HELVETICA CHIMICA ACTA, 1997, 80 (06) :2002-2022
[13]  
Marfurt J, 1998, ANGEW CHEM INT EDIT, V37, P175, DOI 10.1002/(SICI)1521-3773(19980202)37:1/2<175::AID-ANIE175>3.0.CO
[14]  
2-P
[15]   Strong, specific, monodentate G-C base pair recognition by N-7-inosine derivatives in the pyrimidine center dot purine-pyrimidine triple-helical binding motif [J].
Marfurt, J ;
Parel, SP ;
Leumann, CJ .
NUCLEIC ACIDS RESEARCH, 1997, 25 (10) :1875-1882
[16]   INTERCALATION OF ETHIDIUM-BROMIDE INTO A TRIPLE-STRANDED OLIGONUCLEOTIDE [J].
MERGNY, JL ;
COLLIER, D ;
ROUGEE, M ;
MONTENAYGARESTIER, T ;
HELENE, C .
NUCLEIC ACIDS RESEARCH, 1991, 19 (07) :1521-1526
[17]  
Neidle S, 1997, ANTI-CANCER DRUG DES, V12, P433
[18]   SPECIFIC RECOGNITION OF CG BASE-PAIRS BY 2-DEOXYNEBULARINE WITHIN THE PURINEA.PURINE.PYRIMIDINE TRIPLE-HELIX MOTIF [J].
STILZ, HU ;
DERVAN, PB .
BIOCHEMISTRY, 1993, 32 (09) :2177-2185